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Change History

CISA-ADP AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

In the Linux kernel, the following vulnerability has been resolved:

dm rq: don't queue request to blk-mq during DM suspend

DM uses blk-mq's quiesce/unquiesce to stop/start device mapper queue.

But blk-mq's unquiesce may come from outside events, such as elevator
switch, updating nr_requests or others, and request may come during
suspend, so simply ask for blk-mq to requeue it.

Fixes one kernel panic issue when running updating nr_requests and
dm-mpath suspend/resume stress test.

kernel.org https://git.kernel.org/stable/c/8ca9745efe3528feb06ca4e117188038eea2d351 [No types assigned]

kernel.org https://git.kernel.org/stable/c/b4459b11e84092658fa195a2587aff3b9637f0e7 [No types assigned]